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Bassett Collection of Stereoscopic Images of Human Anatomy

Dissection of anterolateral abdominal wall

Internal aspect of lower abdominal wall, peritoneum intact

Image #135-3

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Dissection of anterolateral abdominal wall
Internal aspect of lower abdominal wall, peritoneum intact
The umbilicus lies just above the upper margin of the photograph. The medial inguinal fossa (5) is unusually deep on the right side. This should be compared to the more normal situation on the left. The right ductus deferens passes toward the inguinual canal in a prominent band of peritoneum (10). The dissection of the internal aspect of the abdominal wall is shown in views 136-6 and 136-7.
1 . Median umbilical fold
2 . Medial umbilical fold
3 . Lateral umbilical fold (inferior epigastric vessels faintly visible external to peritoneum)
4 . Lateral inguinal fossa
5 . Medial inguinal fossa (unusually deep on right side)
6 . Supravesicular fossa
7 . Sigmoid colon
8 . Promontory
9 . Urinary bladder (covered by visceral layer of peritoneum)
10 . Peritoneal band overlying ductus deferens
11 . Location of ductus deferens
12 . Position of external iliac vessels and lymphatic structures (covered by peritoneum)
13 . Rectovesical fold (lower pointer indicates position of ureter in subperitoneal tissue)
14 . Rectovesical space (pointer indicates rectum)
15 . Appendix vermiformis

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